body { background-image: radial-gradient(#ebf7f7,#addad8); background-position: 40% 0px; font-family: "微软雅黑";font-weight: normal;}
a{ text-decoration:none;}
*{ margin:0px; padding:0px;}
a:link {color: #fff; text-decoration: none ; text-decoration:none;}
a:visited {color: #fff; text-decoration: none;}
a:hover {color: #fff; text-decoration: none}
.container {margin-left: auto; width: 100%; margin-right: auto; text-align: center; margin-top:100px;}
.container_1{font-size: 150px;color: #78c3c1;}
.container_1 img { margin-top:5%; width:250px; height:120px;}
.container_2 img { margin-top:-2%; }
.container_3 img { width:25%; height:7.5%;}
.container_3 { width:28vw; margin:auto}
.container_3_1 { color:#6bbaa3; font-size:2vw; text-align:left;}
.container_3_2 { color:#6bbaa3; font-size:1vw; text-align:left;}
.maincolumn {margin-left: auto; width: 100%; margin-right: auto; text-align: center;display:block; margin-top:10px;}
.maincolumn .maincolumn_bg { width:28%; height:50px; line-height:50px; background-color:#6bbaa3; margin:auto;}
.maincolumn .maincolumn_bg ul {list-style-type: none;}
.maincolumn .maincolumn_bg ul li { float:left;  width:25%;}
.maincolumn .maincolumn_bg ul li a{ font-size: 18px; }
.maincolumn .maincolumn_bg ul li a:hover { width:100%; height:50px; background-color:#47997d; display:block;}
@media only screen and (max-width: 1000px) {
    .maincolumn { display:none; width:0px;}
}